package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.entity.SetmealDish;
import com.sky.mapper.SetmealMapper;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {
    //TODO 起售停售套餐关联未处理
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;
    @Autowired
    private SetmealMapper setmealMapper;
    @PostMapping
    @ApiOperation("新增菜品接口")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品，菜品数据：{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);
        cleanCache("dish_*");
        return Result.success();
    }
    @GetMapping("/page")
    @ApiOperation("菜品分页查询接口")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询，参数：{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }
    @DeleteMapping
    @ApiOperation("删除菜品接口")
    @CacheEvict(cacheNames="DishCache",allEntries = true)
    public Result delete(@RequestParam List<Long> ids){
        log.info("删除菜品，ids：{}", ids);
        boolean status = dishService.checkStatus(ids);
        if (status) {
            return Result.error("起售中");
        }
        for(Long id : ids){
            List<SetmealDish> setmealDish = setmealMapper.getSetmealDish(id);
            if (setmealDish != null &&  setmealDish.size() > 0) {
                log.info("关联套餐");
                return Result.error("关联套餐");
            }
        }
        dishService.deleteBatch(ids);
        cleanCache("dish_*");
        return Result.success();
    }
    @GetMapping("/list")
    @ApiOperation("categoryId")
    public Result categoryId(@RequestParam("categoryId") long categoryId){
        log.info("查询分类，type为：{}", categoryId);
        List<Dish> dish = dishService.dish(categoryId);
        return Result.success(dish);
    }
    @PostMapping("/status/{status}")
    @ApiOperation("起售、停售接口")
    @CacheEvict(cacheNames="DishCache",allEntries = true)
    public Result startOrStop(@PathVariable Integer status, Long id){
        log.info("起售、停售接口，status：{}，id：{}", status, id);
        List<SetmealDish> setmealDish = setmealMapper.getSetmealDish(id);
        if (setmealDish != null && status == 0 && setmealDish.size() > 0) {
            log.info("关联套餐");
            return Result.error("关联套餐");
        }
        dishService.changestatus(status, id);
        cleanCache("dish_*");
        return Result.success();
    }
    @GetMapping("/{id}")
    @ApiOperation("查询接口")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("查询接口，id：{}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("修改接口")
    @CacheEvict(cacheNames="DishCache",allEntries = true)
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改接口，参数：{}", dishDTO);
        dishService.update(dishDTO);
        cleanCache("dish_*");
        return Result.success();
    }

    private void cleanCache(String pattern) {
        Set key = redisTemplate.keys("dish_*");
        redisTemplate.delete(key);
    }
}
